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https://github.com/PaperMC/Paper.git
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2609a118e8
Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: f4f2ef4c SPIGOT-6222: Correct javadoc for Entity#setPassenger 1871ca9d #559: Add wait time modification for FishHook CraftBukkit Changes: bc6a175e #767: Add wait time modification for FishHook 2fc37bcc SPIGOT-6197: Prevent world loading from updating spawn settings of all worlds
149 lines
6.8 KiB
Diff
149 lines
6.8 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Byteflux <byte@byteflux.net>
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Date: Wed, 2 Mar 2016 11:59:48 -0600
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Subject: [PATCH] Optimize explosions
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The process of determining an entity's exposure from explosions can be
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expensive when there are hundreds or more entities in range.
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This patch adds a per-tick cache that is used for storing and retrieving
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an entity's exposure during an explosion.
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diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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index 50dec5cb5e924301842300e8fc80cb671b6b9173..f038d3f7dc7d1034a3ee9f2384a85642f224836e 100644
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--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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@@ -150,4 +150,10 @@ public class PaperWorldConfig {
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disableEndCredits = getBoolean("game-mechanics.disable-end-credits", false);
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log("End credits disabled: " + disableEndCredits);
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}
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+
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+ public boolean optimizeExplosions;
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+ private void optimizeExplosions() {
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+ optimizeExplosions = getBoolean("optimize-explosions", false);
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+ log("Optimize explosions: " + optimizeExplosions);
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+ }
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}
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diff --git a/src/main/java/net/minecraft/server/Explosion.java b/src/main/java/net/minecraft/server/Explosion.java
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index afe61a1ddc75f155836411b6749198f71ed09919..ac39b02ec5f02f6f2db9f293513686d2d29d4036 100644
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--- a/src/main/java/net/minecraft/server/Explosion.java
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+++ b/src/main/java/net/minecraft/server/Explosion.java
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@@ -173,7 +173,7 @@ public class Explosion {
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d8 /= d11;
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d9 /= d11;
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d10 /= d11;
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- double d12 = (double) a(vec3d, entity);
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+ double d12 = this.getBlockDensity(vec3d, entity); // Paper - Optimize explosions
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double d13 = (1.0D - d7) * d12;
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// CraftBukkit start
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@@ -392,4 +392,84 @@ public class Explosion {
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private Effect() {}
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}
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+ // Paper start - Optimize explosions
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+ private float getBlockDensity(Vec3D vec3d, Entity entity) {
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+ if (!this.world.paperConfig.optimizeExplosions) {
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+ return a(vec3d, entity);
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+ }
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+ CacheKey key = new CacheKey(this, entity.getBoundingBox());
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+ Float blockDensity = this.world.explosionDensityCache.get(key);
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+ if (blockDensity == null) {
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+ blockDensity = a(vec3d, entity);
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+ this.world.explosionDensityCache.put(key, blockDensity);
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+ }
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+
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+ return blockDensity;
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+ }
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+
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+ static class CacheKey {
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+ private final World world;
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+ private final double posX, posY, posZ;
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+ private final double minX, minY, minZ;
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+ private final double maxX, maxY, maxZ;
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+
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+ public CacheKey(Explosion explosion, AxisAlignedBB aabb) {
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+ this.world = explosion.world;
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+ this.posX = explosion.posX;
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+ this.posY = explosion.posY;
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+ this.posZ = explosion.posZ;
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+ this.minX = aabb.minX;
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+ this.minY = aabb.minY;
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+ this.minZ = aabb.minZ;
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+ this.maxX = aabb.maxX;
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+ this.maxY = aabb.maxY;
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+ this.maxZ = aabb.maxZ;
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+ }
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+
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+ @Override
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+ public boolean equals(Object o) {
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+ if (this == o) return true;
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+ if (o == null || getClass() != o.getClass()) return false;
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+
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+ CacheKey cacheKey = (CacheKey) o;
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+
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+ if (Double.compare(cacheKey.posX, posX) != 0) return false;
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+ if (Double.compare(cacheKey.posY, posY) != 0) return false;
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+ if (Double.compare(cacheKey.posZ, posZ) != 0) return false;
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+ if (Double.compare(cacheKey.minX, minX) != 0) return false;
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+ if (Double.compare(cacheKey.minY, minY) != 0) return false;
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+ if (Double.compare(cacheKey.minZ, minZ) != 0) return false;
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+ if (Double.compare(cacheKey.maxX, maxX) != 0) return false;
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+ if (Double.compare(cacheKey.maxY, maxY) != 0) return false;
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+ if (Double.compare(cacheKey.maxZ, maxZ) != 0) return false;
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+ return world.equals(cacheKey.world);
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+ }
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+
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+ @Override
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+ public int hashCode() {
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+ int result;
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+ long temp;
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+ result = world.hashCode();
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+ temp = Double.doubleToLongBits(posX);
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+ result = 31 * result + (int) (temp ^ (temp >>> 32));
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+ temp = Double.doubleToLongBits(posY);
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+ result = 31 * result + (int) (temp ^ (temp >>> 32));
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+ temp = Double.doubleToLongBits(posZ);
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+ result = 31 * result + (int) (temp ^ (temp >>> 32));
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+ temp = Double.doubleToLongBits(minX);
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+ result = 31 * result + (int) (temp ^ (temp >>> 32));
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+ temp = Double.doubleToLongBits(minY);
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+ result = 31 * result + (int) (temp ^ (temp >>> 32));
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+ temp = Double.doubleToLongBits(minZ);
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+ result = 31 * result + (int) (temp ^ (temp >>> 32));
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+ temp = Double.doubleToLongBits(maxX);
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+ result = 31 * result + (int) (temp ^ (temp >>> 32));
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+ temp = Double.doubleToLongBits(maxY);
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+ result = 31 * result + (int) (temp ^ (temp >>> 32));
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+ temp = Double.doubleToLongBits(maxZ);
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+ result = 31 * result + (int) (temp ^ (temp >>> 32));
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+ return result;
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+ }
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+ }
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+ // Paper end
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}
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diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
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index 775306d7e59ff135004e54d2d055bd05edba7e61..4d3cb70f1567b042e1605b30637706560bd883d9 100644
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--- a/src/main/java/net/minecraft/server/MinecraftServer.java
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+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
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@@ -1207,6 +1207,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
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this.methodProfiler.exit();
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this.methodProfiler.exit();
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+ worldserver.explosionDensityCache.clear(); // Paper - Optimize explosions
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}
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this.methodProfiler.exitEnter("connection");
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diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
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index dab129dd83024bdcee251393e1854ff384ff3c26..611c7a5c1da8afa9a8caaa668c40517d560c8396 100644
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--- a/src/main/java/net/minecraft/server/World.java
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+++ b/src/main/java/net/minecraft/server/World.java
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@@ -84,6 +84,7 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
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private org.spigotmc.TickLimiter entityLimiter;
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private org.spigotmc.TickLimiter tileLimiter;
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private int tileTickPosition;
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+ public final Map<Explosion.CacheKey, Float> explosionDensityCache = new HashMap<>(); // Paper - Optimize explosions
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public CraftWorld getWorld() {
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return this.world;
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